Study for Catenary System in High Speed Railway Long Tunnel applied UIC Standard

UIC 규격을 적용한 고속철도 장대터널구간의 전차선로 검토

In long tunnel If we reduce the length of system height on catenary system, tunnel construction cost is cut down. It is because of tunnel section curtailment. So that we have review reduction of system height according to tunnel section. We have designed reduction of system height considered characteristics of overhead contact systems within UIC 799 code.